| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * This file is part of wl1271 |
| * |
| * Copyright (C) 2010 Nokia Corporation |
| * |
| * Contact: Luciano Coelho <luciano.coelho@nokia.com> |
| */ |
| #include "testmode.h" |
| |
| #include <linux/pm_runtime.h> |
| #include <linux/slab.h> |
| #include <net/genetlink.h> |
| |
| #include "wlcore.h" |
| #include "debug.h" |
| #include "acx.h" |
| #include "io.h" |
| |
| #define WL1271_TM_MAX_DATA_LENGTH 1024 |
| |
| enum wl1271_tm_commands { |
| WL1271_TM_CMD_UNSPEC, |
| WL1271_TM_CMD_TEST, |
| WL1271_TM_CMD_INTERROGATE, |
| WL1271_TM_CMD_CONFIGURE, |
| WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */ |
| WL1271_TM_CMD_SET_PLT_MODE, |
| WL1271_TM_CMD_RECOVER, /* Not in use. Keep to not break ABI */ |
| WL1271_TM_CMD_GET_MAC, |
| |
| __WL1271_TM_CMD_AFTER_LAST |
| }; |
| #define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1) |
| |
| enum wl1271_tm_attrs { |
| WL1271_TM_ATTR_UNSPEC, |
| WL1271_TM_ATTR_CMD_ID, |
| WL1271_TM_ATTR_ANSWER, |
| WL1271_TM_ATTR_DATA, |
| WL1271_TM_ATTR_IE_ID, |
| WL1271_TM_ATTR_PLT_MODE, |
| |
| __WL1271_TM_ATTR_AFTER_LAST |
| }; |
| #define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1) |
| |
| static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = { |
| [WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 }, |
| [WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 }, |
| [WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY, |
| .len = WL1271_TM_MAX_DATA_LENGTH }, |
| [WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 }, |
| [WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 }, |
| }; |
| |
| |
| static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[]) |
| { |
| int buf_len, ret, len; |
| struct sk_buff *skb; |
| void *buf; |
| u8 answer = 0; |
| |
| wl1271_debug(DEBUG_TESTMODE, "testmode cmd test"); |
| |
| if (!tb[WL1271_TM_ATTR_DATA]) |
| return -EINVAL; |
| |
| buf = nla_data(tb[WL1271_TM_ATTR_DATA]); |
| buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); |
| |
| if (tb[WL1271_TM_ATTR_ANSWER]) |
| answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]); |
| |
| if (buf_len > sizeof(struct wl1271_command)) |
| return -EMSGSIZE; |
| |
| mutex_lock(&wl->mutex); |
| |
| if (unlikely(wl->state != WLCORE_STATE_ON)) { |
| ret = -EINVAL; |
| goto out; |
| } |
| |
| ret = pm_runtime_resume_and_get(wl->dev); |
| if (ret < 0) |
| goto out; |
| |
| ret = wl1271_cmd_test(wl, buf, buf_len, answer); |
| if (ret < 0) { |
| wl1271_warning("testmode cmd test failed: %d", ret); |
| goto out_sleep; |
| } |
| |
| if (answer) { |
| /* If we got bip calibration answer print radio status */ |
| struct wl1271_cmd_cal_p2g *params = |
| (struct wl1271_cmd_cal_p2g *) buf; |
| |
| s16 radio_status = (s16) le16_to_cpu(params->radio_status); |
| |
| if (params->test.id == TEST_CMD_P2G_CAL && |
| radio_status < 0) |
| wl1271_warning("testmode cmd: radio status=%d", |
| radio_status); |
| else |
| wl1271_info("testmode cmd: radio status=%d", |
| radio_status); |
| |
| len = nla_total_size(buf_len); |
| skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); |
| if (!skb) { |
| ret = -ENOMEM; |
| goto out_sleep; |
| } |
| |
| if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) { |
| kfree_skb(skb); |
| ret = -EMSGSIZE; |
| goto out_sleep; |
| } |
| |
| ret = cfg80211_testmode_reply(skb); |
| if (ret < 0) |
| goto out_sleep; |
| } |
| |
| out_sleep: |
| pm_runtime_mark_last_busy(wl->dev); |
| pm_runtime_put_autosuspend(wl->dev); |
| out: |
| mutex_unlock(&wl->mutex); |
| |
| return ret; |
| } |
| |
| static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) |
| { |
| int ret; |
| struct wl1271_command *cmd; |
| struct sk_buff *skb; |
| u8 ie_id; |
| |
| wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate"); |
| |
| if (!tb[WL1271_TM_ATTR_IE_ID]) |
| return -EINVAL; |
| |
| ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); |
| |
| mutex_lock(&wl->mutex); |
| |
| if (unlikely(wl->state != WLCORE_STATE_ON)) { |
| ret = -EINVAL; |
| goto out; |
| } |
| |
| ret = pm_runtime_resume_and_get(wl->dev); |
| if (ret < 0) |
| goto out; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out_sleep; |
| } |
| |
| ret = wl1271_cmd_interrogate(wl, ie_id, cmd, |
| sizeof(struct acx_header), sizeof(*cmd)); |
| if (ret < 0) { |
| wl1271_warning("testmode cmd interrogate failed: %d", ret); |
| goto out_free; |
| } |
| |
| skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd)); |
| if (!skb) { |
| ret = -ENOMEM; |
| goto out_free; |
| } |
| |
| if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) { |
| kfree_skb(skb); |
| ret = -EMSGSIZE; |
| goto out_free; |
| } |
| |
| ret = cfg80211_testmode_reply(skb); |
| if (ret < 0) |
| goto out_free; |
| |
| out_free: |
| kfree(cmd); |
| out_sleep: |
| pm_runtime_mark_last_busy(wl->dev); |
| pm_runtime_put_autosuspend(wl->dev); |
| out: |
| mutex_unlock(&wl->mutex); |
| |
| return ret; |
| } |
| |
| static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[]) |
| { |
| int buf_len, ret; |
| void *buf; |
| u8 ie_id; |
| |
| wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure"); |
| |
| if (!tb[WL1271_TM_ATTR_DATA]) |
| return -EINVAL; |
| if (!tb[WL1271_TM_ATTR_IE_ID]) |
| return -EINVAL; |
| |
| ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); |
| buf = nla_data(tb[WL1271_TM_ATTR_DATA]); |
| buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); |
| |
| if (buf_len > sizeof(struct wl1271_command)) |
| return -EMSGSIZE; |
| |
| mutex_lock(&wl->mutex); |
| ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len); |
| mutex_unlock(&wl->mutex); |
| |
| if (ret < 0) { |
| wl1271_warning("testmode cmd configure failed: %d", ret); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int wl1271_tm_detect_fem(struct wl1271 *wl, struct nlattr *tb[]) |
| { |
| /* return FEM type */ |
| int ret, len; |
| struct sk_buff *skb; |
| |
| ret = wl1271_plt_start(wl, PLT_FEM_DETECT); |
| if (ret < 0) |
| goto out; |
| |
| mutex_lock(&wl->mutex); |
| |
| len = nla_total_size(sizeof(wl->fem_manuf)); |
| skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); |
| if (!skb) { |
| ret = -ENOMEM; |
| goto out_mutex; |
| } |
| |
| if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf), |
| &wl->fem_manuf)) { |
| kfree_skb(skb); |
| ret = -EMSGSIZE; |
| goto out_mutex; |
| } |
| |
| ret = cfg80211_testmode_reply(skb); |
| |
| out_mutex: |
| mutex_unlock(&wl->mutex); |
| |
| /* We always stop plt after DETECT mode */ |
| wl1271_plt_stop(wl); |
| out: |
| return ret; |
| } |
| |
| static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[]) |
| { |
| u32 val; |
| int ret; |
| |
| wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode"); |
| |
| if (!tb[WL1271_TM_ATTR_PLT_MODE]) |
| return -EINVAL; |
| |
| val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]); |
| |
| switch (val) { |
| case PLT_OFF: |
| ret = wl1271_plt_stop(wl); |
| break; |
| case PLT_ON: |
| case PLT_CHIP_AWAKE: |
| ret = wl1271_plt_start(wl, val); |
| break; |
| case PLT_FEM_DETECT: |
| ret = wl1271_tm_detect_fem(wl, tb); |
| break; |
| default: |
| ret = -EINVAL; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[]) |
| { |
| struct sk_buff *skb; |
| u8 mac_addr[ETH_ALEN]; |
| int ret = 0; |
| |
| mutex_lock(&wl->mutex); |
| |
| if (!wl->plt) { |
| ret = -EINVAL; |
| goto out; |
| } |
| |
| if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) { |
| ret = -EOPNOTSUPP; |
| goto out; |
| } |
| |
| mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16); |
| mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8); |
| mac_addr[2] = (u8) wl->fuse_oui_addr; |
| mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16); |
| mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8); |
| mac_addr[5] = (u8) wl->fuse_nic_addr; |
| |
| skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN); |
| if (!skb) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) { |
| kfree_skb(skb); |
| ret = -EMSGSIZE; |
| goto out; |
| } |
| |
| ret = cfg80211_testmode_reply(skb); |
| if (ret < 0) |
| goto out; |
| |
| out: |
| mutex_unlock(&wl->mutex); |
| return ret; |
| } |
| |
| int wl1271_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| void *data, int len) |
| { |
| struct wl1271 *wl = hw->priv; |
| struct nlattr *tb[WL1271_TM_ATTR_MAX + 1]; |
| u32 nla_cmd; |
| int err; |
| |
| err = nla_parse_deprecated(tb, WL1271_TM_ATTR_MAX, data, len, |
| wl1271_tm_policy, NULL); |
| if (err) |
| return err; |
| |
| if (!tb[WL1271_TM_ATTR_CMD_ID]) |
| return -EINVAL; |
| |
| nla_cmd = nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID]); |
| |
| /* Only SET_PLT_MODE is allowed in case of mode PLT_CHIP_AWAKE */ |
| if (wl->plt_mode == PLT_CHIP_AWAKE && |
| nla_cmd != WL1271_TM_CMD_SET_PLT_MODE) |
| return -EOPNOTSUPP; |
| |
| switch (nla_cmd) { |
| case WL1271_TM_CMD_TEST: |
| return wl1271_tm_cmd_test(wl, tb); |
| case WL1271_TM_CMD_INTERROGATE: |
| return wl1271_tm_cmd_interrogate(wl, tb); |
| case WL1271_TM_CMD_CONFIGURE: |
| return wl1271_tm_cmd_configure(wl, tb); |
| case WL1271_TM_CMD_SET_PLT_MODE: |
| return wl1271_tm_cmd_set_plt_mode(wl, tb); |
| case WL1271_TM_CMD_GET_MAC: |
| return wl12xx_tm_cmd_get_mac(wl, tb); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |